From nobody Thu Feb 12 04:50:01 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1322DC77B61 for ; Fri, 28 Apr 2023 07:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345634AbjD1Hkq (ORCPT ); Fri, 28 Apr 2023 03:40:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345576AbjD1Hkd (ORCPT ); Fri, 28 Apr 2023 03:40:33 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BADE4C03 for ; Fri, 28 Apr 2023 00:40:00 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-b9a7c58ec19so1906692276.2 for ; Fri, 28 Apr 2023 00:40:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1682667599; x=1685259599; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=m0dr9db51Jq/RsQdl+jWHc6lduK3C41zW9xfdl5Qlv8=; b=ewLTh6orGi24TO5rSZ4qxWQLztSdIuc/hM+uQupBczCiHYpZN1V+/Oy3I4ilMm/xZ1 8wtVAoPH3w3H7w55dV9yJ4jOxfAtfGqWFQdRlshe8W3dXuaVsFxhXTOh9k/F+gbJzrbH qwLG2P3NbVaiRntc6Uj+ciouoECXurA1D3SFAzJgsbPdLl4uAf2Wupr337pv1i2oJxEZ wVFpziAJeiMlHwVVHCz7+wjkFZFQIcutQ8T899UC3UQwIWdWuQ4k7EYOuTynF9FHQFrZ 43zunt3xVhcm+XtDn32ReECBI5oC9fWsTzxFue6KUreubdqDTVJ+yotDHRuTsk+A7eiH RW3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682667599; x=1685259599; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=m0dr9db51Jq/RsQdl+jWHc6lduK3C41zW9xfdl5Qlv8=; b=gIxMCiFdM9cccMrMYDsct8UL4iwS1Va8d6QO8S5BJitGxXvuN2zRyS0obTAxdCUt6C CR4UMXjX6bSGfep/bpdMKUNFM9OkS1A+XrlgQqMSWI2IYfcgYpASSx+f7bZGDOhb3rYs fzl2Gmch5ILuWfe94a0ziHFF1DfzXrpcLxaAdNURm6fyqJAWTL4KBE0yUDAO5bo1y0C/ lGa9Uk06QbYuF3d3zmQ5tk7FKgjbnzUErzRq6cSr64ojbW2LFzdC5AjDNXcB8bb1/IYE ju9sFC3Xc7yfmeEBmRHbjv9r2tRkdocfrh3cXaZv0Rms4m3xzBDIoIV6SpmzPzGF2dXN Ik/A== X-Gm-Message-State: AC+VfDzfWMGOMhSedjUckCjV/z2bWlimQRqNyBIZGJJI3L0zdhBwapUe A2tzNucA5z+gvfqGrTnRlyBhMIg/1vsu X-Google-Smtp-Source: ACHHUZ72JqiGVUpS4l1s/IPwZGgQi3bg2pWBgyFpuMBYG2WiARwboDKTq9Z4TAbVj25gr9qEyQ0Xo31MqWnq X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:24a7:aeb5:5de4:c29b]) (user=irogers job=sendgmr) by 2002:a05:6902:1003:b0:b8f:54f5:89ff with SMTP id w3-20020a056902100300b00b8f54f589ffmr2582980ybt.11.1682667599608; Fri, 28 Apr 2023 00:39:59 -0700 (PDT) Date: Fri, 28 Apr 2023 00:37:36 -0700 In-Reply-To: <20230428073809.1803624-1-irogers@google.com> Message-Id: <20230428073809.1803624-11-irogers@google.com> Mime-Version: 1.0 References: <20230428073809.1803624-1-irogers@google.com> X-Mailer: git-send-email 2.40.1.495.gc816e09b53d-goog Subject: [PATCH v2 10/43] perf test: Test more sysfs events From: Ian Rogers To: Arnaldo Carvalho de Melo , Kan Liang , Ahmad Yasin , Peter Zijlstra , Ingo Molnar , Stephane Eranian , Andi Kleen , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , Florian Fischer , Rob Herring , Zhengjun Xing , John Garry , Kajol Jain , Sumanth Korikkar , Thomas Richter , Tiezhu Yang , Ravi Bangoria , Leo Yan , Yang Jihong , James Clark , Suzuki Poulouse , Kang Minchul , Athira Rajeev , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ian Rogers Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Parse events for all PMUs, and not just cpu, in test "Parsing of all PMU events from sysfs". Signed-off-by: Ian Rogers --- tools/perf/tests/parse-events.c | 121 +++++++++++++++++--------------- 1 file changed, 65 insertions(+), 56 deletions(-) diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-event= s.c index 8068cfd89b84..35b35a5c795c 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -7,6 +7,7 @@ #include "debug.h" #include "pmu.h" #include "pmu-hybrid.h" +#include "pmus.h" #include #include #include "fncache.h" @@ -2225,74 +2226,82 @@ static int test_pmu(void) =20 static int test__pmu_events(struct test_suite *test __maybe_unused, int su= btest __maybe_unused) { - struct stat st; - char path[PATH_MAX]; - struct dirent *ent; - DIR *dir; - int ret; + struct perf_pmu *pmu; + int ret =3D TEST_OK; =20 - if (!test_pmu()) - return TEST_SKIP; + perf_pmus__for_each_pmu(pmu) { + struct stat st; + char path[PATH_MAX]; + struct dirent *ent; + DIR *dir; + int err; =20 - snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/", - sysfs__mountpoint()); + snprintf(path, PATH_MAX, "%s/bus/event_source/devices/%s/events/", + sysfs__mountpoint(), pmu->name); =20 - ret =3D stat(path, &st); - if (ret) { - pr_debug("omitting PMU cpu events tests: %s\n", path); - return TEST_OK; - } + err =3D stat(path, &st); + if (err) { + pr_debug("skipping PMU %s events tests: %s\n", pmu->name, path); + ret =3D combine_test_results(ret, TEST_SKIP); + continue; + } =20 - dir =3D opendir(path); - if (!dir) { - pr_debug("can't open pmu event dir: %s\n", path); - return TEST_FAIL; - } + dir =3D opendir(path); + if (!dir) { + pr_debug("can't open pmu event dir: %s\n", path); + ret =3D combine_test_results(ret, TEST_SKIP); + continue; + } =20 - ret =3D TEST_OK; - while ((ent =3D readdir(dir))) { - struct evlist_test e =3D { .name =3D NULL, }; - char name[2 * NAME_MAX + 1 + 12 + 3]; - int test_ret; + while ((ent =3D readdir(dir))) { + struct evlist_test e =3D { .name =3D NULL, }; + char name[2 * NAME_MAX + 1 + 12 + 3]; + int test_ret; =20 - /* Names containing . are special and cannot be used directly */ - if (strchr(ent->d_name, '.')) - continue; + /* Names containing . are special and cannot be used directly */ + if (strchr(ent->d_name, '.')) + continue; =20 - snprintf(name, sizeof(name), "cpu/event=3D%s/u", ent->d_name); + snprintf(name, sizeof(name), "%s/event=3D%s/u", pmu->name, ent->d_name); =20 - e.name =3D name; - e.check =3D test__checkevent_pmu_events; + e.name =3D name; + e.check =3D test__checkevent_pmu_events; =20 - test_ret =3D test_event(&e); - if (test_ret !=3D TEST_OK) { - pr_debug("Test PMU event failed for '%s'", name); - ret =3D combine_test_results(ret, test_ret); - } - /* - * Names containing '-' are recognized as prefixes and suffixes - * due to '-' being a legacy PMU separator. This fails when the - * prefix or suffix collides with an existing legacy token. For - * example, branch-brs has a prefix (branch) that collides with - * a PE_NAME_CACHE_TYPE token causing a parse error as a suffix - * isn't expected after this. As event names in the config - * slashes are allowed a '-' in the name we check this works - * above. - */ - if (strchr(ent->d_name, '-')) - continue; + test_ret =3D test_event(&e); + if (test_ret !=3D TEST_OK) { + pr_debug("Test PMU event failed for '%s'", name); + ret =3D combine_test_results(ret, test_ret); + } =20 - snprintf(name, sizeof(name), "%s:u,cpu/event=3D%s/u", ent->d_name, ent->= d_name); - e.name =3D name; - e.check =3D test__checkevent_pmu_events_mix; - test_ret =3D test_event(&e); - if (test_ret !=3D TEST_OK) { - pr_debug("Test PMU event failed for '%s'", name); - ret =3D combine_test_results(ret, test_ret); + if (!is_pmu_core(pmu->name)) + continue; + + /* + * Names containing '-' are recognized as prefixes and suffixes + * due to '-' being a legacy PMU separator. This fails when the + * prefix or suffix collides with an existing legacy token. For + * example, branch-brs has a prefix (branch) that collides with + * a PE_NAME_CACHE_TYPE token causing a parse error as a suffix + * isn't expected after this. As event names in the config + * slashes are allowed a '-' in the name we check this works + * above. + */ + if (strchr(ent->d_name, '-')) + continue; + + snprintf(name, sizeof(name), "%s:u,%s/event=3D%s/u", + ent->d_name, pmu->name, ent->d_name); + e.name =3D name; + e.check =3D test__checkevent_pmu_events_mix; + test_ret =3D test_event(&e); + if (test_ret !=3D TEST_OK) { + pr_debug("Test PMU event failed for '%s'", name); + ret =3D combine_test_results(ret, test_ret); + } } - } =20 - closedir(dir); + closedir(dir); + } return ret; } =20 --=20 2.40.1.495.gc816e09b53d-goog